Home / 12,084.14-18,124.50-3,762.20

Finding the Fourth Proportional to 12,084.14, 18,124.50 and 3,762.20

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Solution

The fourth proportional to 12,084.14, 18,124.50 and 3,762.20 is: 5,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.14 : 18,124.50 = 3,762.20 : x
  2. Step 2: Convert to fraction form
    12,084.14/18,124.50 = 3,762.20/x
  3. Step 3: Cross multiply
    12,084.14x = 18,124.50 × 3,762.20
  4. Step 4: Simplify right side
    12,084.14x = 68,187,993.90
  5. Step 5: Solve for x
    x = 68,187,993.90/12,084.14
  6. Step 6: Final answer
    x = 5,642.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.